DE3418366C2 - - Google Patents
Info
- Publication number
- DE3418366C2 DE3418366C2 DE3418366A DE3418366A DE3418366C2 DE 3418366 C2 DE3418366 C2 DE 3418366C2 DE 3418366 A DE3418366 A DE 3418366A DE 3418366 A DE3418366 A DE 3418366A DE 3418366 C2 DE3418366 C2 DE 3418366C2
- Authority
- DE
- Germany
- Prior art keywords
- light source
- sensor
- light
- block
- flip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005286 illumination Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- 230000020169 heat generation Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
- H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimile Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58085891A JPS59212071A (ja) | 1983-05-18 | 1983-05-18 | 光源の点灯装置 |
JP58095680A JPS59223059A (ja) | 1983-06-01 | 1983-06-01 | 画像読み取り装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3418366A1 DE3418366A1 (de) | 1984-11-22 |
DE3418366C2 true DE3418366C2 (ja) | 1992-01-09 |
Family
ID=26426897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3418366A Granted DE3418366A1 (de) | 1983-05-18 | 1984-05-17 | Bildlesevorrichtung |
Country Status (2)
Country | Link |
---|---|
US (1) | US4639608A (ja) |
DE (1) | DE3418366A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19842313A1 (de) * | 1998-09-16 | 2000-03-23 | Drs Digitale Repro Systeme Gmb | Beleuchtungseinrichtung sowie Verwendung der Beleuchtungseinrichtung in einer Vorrichtung zur Digitalisierung von halbtransparenten und transparenten Vorlagen |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60197063A (ja) * | 1984-03-21 | 1985-10-05 | Canon Inc | Ledアレイ及びその分割点灯方法 |
DE3521157A1 (de) * | 1985-06-13 | 1986-12-18 | Telefunken electronic GmbH, 7100 Heilbronn | Vorrichtung zur elektronischen aufnahme von bildern |
JPS62122461A (ja) * | 1985-11-22 | 1987-06-03 | Fuji Photo Film Co Ltd | ラインセンサの読取回路 |
JPS62172859A (ja) * | 1986-01-27 | 1987-07-29 | Canon Inc | 画像読取り装置 |
JPS63263875A (ja) * | 1987-04-21 | 1988-10-31 | Sharp Corp | 画像読取装置 |
US4737857A (en) * | 1987-06-01 | 1988-04-12 | American Telephone And Telegraph Company | Overhead document scanner lighting and scanning apparatus |
US4916552A (en) * | 1987-12-24 | 1990-04-10 | Ncr Corporation | Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel |
DE3906964A1 (de) * | 1988-07-11 | 1990-01-18 | Eisenmann Foerdertech | Ausleuchtvorrichtung fuer zeilenkameras |
US5028802A (en) * | 1990-01-11 | 1991-07-02 | Eye Research Institute Of Retina Foundation | Imaging apparatus and methods utilizing scannable microlaser source |
JP2670632B2 (ja) * | 1990-01-12 | 1997-10-29 | 富士写真フイルム株式会社 | 光走査装置 |
JPH03104768U (ja) * | 1990-02-15 | 1991-10-30 | ||
DE4011842A1 (de) * | 1990-04-12 | 1991-10-17 | Fraunhofer Ges Forschung | Beleuchtungseinrichtung |
DE4018373A1 (de) * | 1990-05-17 | 1991-11-21 | Helmut A Kappner | Verfahren und vorrichtung zum maschinellen lesen von segmentierter klarschrift, insbesondere von ziffern |
US5151595A (en) * | 1990-10-16 | 1992-09-29 | Simon Marketing, Inc. | Imaging device and method for developing, duplicating and printing graphic media |
US5164603A (en) * | 1991-07-16 | 1992-11-17 | Reynolds Metals Company | Modular surface inspection method and apparatus using optical fibers |
JP2648265B2 (ja) * | 1992-01-17 | 1997-08-27 | 三田工業株式会社 | 画像形成装置 |
JPH06311307A (ja) * | 1993-04-22 | 1994-11-04 | Minolta Camera Co Ltd | 画像形成装置 |
JPH07174995A (ja) * | 1993-10-01 | 1995-07-14 | Xerox Corp | ラスター走査装置 |
US5406070A (en) * | 1993-12-16 | 1995-04-11 | International Business Machines Corporation | Method and apparatus for scanning an object and correcting image data using concurrently generated illumination data |
US5548120A (en) * | 1994-11-14 | 1996-08-20 | Eastman Kodak Company | Linear integrating cavity light source for infra-red illumination of sensitized media |
JPH09200438A (ja) * | 1996-01-19 | 1997-07-31 | Canon Inc | 画像読取装置 |
DE19801246C2 (de) * | 1998-01-15 | 2001-07-05 | Ibm | Verfahren und Vorrichtung zur Lokalisierung und Detektion von Folien und Fensterbereichen auf Postgut |
TW367690B (en) * | 1998-03-05 | 1999-08-21 | Transpacific Optics Llc | Exposure control device and method |
US7277107B2 (en) * | 2004-08-12 | 2007-10-02 | Hewlett-Packard Development Company, L.P. | Image-forming apparatus |
US20160241733A1 (en) * | 2015-02-18 | 2016-08-18 | Xerox Corporation | Led illumination uniformity |
US10193209B2 (en) | 2015-04-06 | 2019-01-29 | Covidien Lp | Mat based antenna and heater system, for use during medical procedures |
JP6949933B2 (ja) * | 2019-12-26 | 2021-10-13 | Necプラットフォームズ株式会社 | 画像読取装置、画像読取制御方法、及び、画像読取制御プログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3746840A (en) * | 1970-07-02 | 1973-07-17 | Westinghouse Electric Corp | Resolution improvement for optical scanners |
DE2408135A1 (de) * | 1973-02-20 | 1974-08-22 | Exxon Research Engineering Co | Faksimile-geraet |
US3835332A (en) * | 1973-06-04 | 1974-09-10 | Eastman Kodak Co | Inspection apparatus for detecting defects in a web |
US4162126A (en) * | 1976-12-10 | 1979-07-24 | Hitachi, Ltd. | Surface detect test apparatus |
US4317137A (en) * | 1978-05-17 | 1982-02-23 | Harris Corporation | Optical scan head and printer |
JPS5840972A (ja) * | 1981-09-04 | 1983-03-10 | Fujitsu Ltd | 原稿読取装置の構成 |
JPS58114665A (ja) * | 1981-12-28 | 1983-07-08 | Ricoh Co Ltd | 画像スキヤナ装置 |
JPS58114666A (ja) * | 1981-12-28 | 1983-07-08 | Ricoh Co Ltd | 画像スキヤナ装置 |
JPS58114667A (ja) * | 1981-12-28 | 1983-07-08 | Ricoh Co Ltd | 画像スキヤナ装置 |
-
1984
- 1984-05-11 US US06/609,197 patent/US4639608A/en not_active Expired - Lifetime
- 1984-05-17 DE DE3418366A patent/DE3418366A1/de active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19842313A1 (de) * | 1998-09-16 | 2000-03-23 | Drs Digitale Repro Systeme Gmb | Beleuchtungseinrichtung sowie Verwendung der Beleuchtungseinrichtung in einer Vorrichtung zur Digitalisierung von halbtransparenten und transparenten Vorlagen |
DE19842313C2 (de) * | 1998-09-16 | 2000-12-21 | Drs Digitale Repro Systeme Gmb | Beleuchtungseinrichtung sowie Verwendung der Beleuchtungseinrichtung in einer Vorrichtung zur Digitalisierung von halbtransparenten und transparenten Vorlagen |
Also Published As
Publication number | Publication date |
---|---|
US4639608A (en) | 1987-01-27 |
DE3418366A1 (de) | 1984-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |